Controlling access to stored information based on geographical location and date and time
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United States of America Patent
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Apr 9, 2002
Issued Date -
N/A
app pub date -
Oct 29, 1998
filing date -
Oct 29, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Access to stored information by a user is controlled by comparing an actual geographic position and/or an actual date/time with a geographic region and/or a date/time interval within which access to the stored information is authorized. The actual geographic position where the stored information is located, and the actual date/time can be determined, for example, based on signals received at a receiver supplying reliable position and time information, such as a GPS receiver. Access to the stored information is authorized if the actual geographic position and/or date/time falls within the authorized geographic region and/or date/time interval. The position and date/time information supplied by the receiver may be cryptographically signed and encrypted.
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